Question: 3. A 10kg object is projected upwards with an initial velocity of 7 m/s. The force of air resistance is proportional to the velocity squared.

3. A 10kg object is projected upwards with an initial velocity

3. A 10kg object is projected upwards with an initial velocity of 7 m/s. The force of air resistance is proportional to the velocity squared. In particular, the force of air resistance is 18 Newtons when the velocity is 3 m/s. Assuming the gravitational constant is exactly 9.8 m/s, find the time at which the object reaches its highest point

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